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Various changes to incorporate new utcb setup.

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Issues with l4_return value not reaching client side
	modified:   libs/c/include/stdio.h
	modified:   src/arch/arm/exception.c
	modified:   src/glue/arm/init.c
	modified:   tasks/fs0/src/task.c
	modified:   tasks/libl4/include/l4lib/arch-arm/utcb.h
	modified:   tasks/libl4/src/arm/syscalls.S
	modified:   tasks/libl4/src/init.c
	deleted:    tasks/libl4/tagfilelist
	modified:   tasks/libposix/open.c
	modified:   tasks/mm0/include/utcb.h
	modified:   tasks/mm0/include/vm_area.h
	modified:   tasks/mm0/main.c
	modified:   tasks/mm0/src/init.c
	modified:   tasks/mm0/src/task.c
	modified:   tasks/mm0/src/utcb.c
	modified:   tasks/mm0/src/vm_object.c
This commit is contained in:
Bahadir Balban
2008-03-19 02:27:53 +00:00
parent ac3935a5d9
commit 16617eed36
16 changed files with 93 additions and 71 deletions
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20
tasks/mm0/src/task.c
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@@ -218,9 +218,6 @@ int start_boot_task(struct vm_file *file, struct task_ids *ids)
task->tid = ids->tid;
task->spid = ids->spid;
/* Allocate a utcb virtual address */
task->utcb_address = (unsigned long)utcb_vaddr_new();
/* Prepare environment boundaries. */
task->env_end = USER_AREA_END;
task->env_start = task->env_end - DEFAULT_ENV_SIZE;
@@ -280,16 +277,6 @@ int start_boot_task(struct vm_file *file, struct task_ids *ids)
goto error;
}
/* mmap each task's utcb as single page anonymous memory. */
printf("%s: Mapping utcb for new task at: 0x%x\n", __TASKNAME__,
task->utcb_address);
if ((err = do_mmap(0, 0, task, task->utcb_address,
VM_READ | VM_WRITE | VMA_SHARED | VMA_ANONYMOUS,
__pfn(DEFAULT_UTCB_SIZE))) < 0) {
printf("do_mmap: Mapping utcb failed with %d.\n", err);
goto error;
}
/* Add the task to the global task list */
list_add(&task->list, &tcb_head.list);
tcb_head.total++;
@@ -440,7 +427,6 @@ void send_task_data(l4id_t requester)
{
int li, err;
struct tcb *t, *vfs;
struct utcb *vfs_utcb;
struct task_data_head *tdata_head;
if (requester != VFS_TID) {
@@ -451,16 +437,14 @@ void send_task_data(l4id_t requester)
}
BUG_ON(!(vfs = find_task(requester)));
BUG_ON(!vfs->utcb_address);
/* Map in vfs's utcb. FIXME: Whatif it is already mapped? */
l4_map((void *)page_to_phys(task_virt_to_page(vfs, vfs->utcb_address)),
(void *)vfs->utcb_address, 1, MAP_USR_RW_FLAGS, self_tid());
/* Get a handle on vfs utcb */
vfs_utcb = (struct utcb *)vfs->utcb_address;
/* Write all requested task information to utcb's user buffer area */
tdata_head = (struct task_data_head *)vfs_utcb->buf;
tdata_head = (struct task_data_head *)vfs->utcb_address;
/* First word is total number of tcbs */
tdata_head->total = tcb_head.total;